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Besides that of the first instalment, the working notes for this instalment are the only ones in which the left side of the page is left blank. Based on the working notes for the remaining instalments, the left side of the page appears to be reserved for memos where Dickens typically lists characters and plot lines that he considered tying in to that particular instalment. He would then go back and write a "yes" or "no" once he decided whether or not to include something from the memo. Why then do the working notes for this instalment contain no memos? This instalment, like the rest, draws back to early instalments and sets things in motion for later instalments, so Dickens had plenty of opportunity to play around with and muse on what would be best to include.
It's possible that Dickens felt there was already a strong link between the narratives of these chapters. The only clue that the working notes for this instalment offer is the inclusion of the triple underlining of "Richard" in two separate places. Dickens seldom uses a triple underline, and this is the only page of working notes in which there are two instances of a triple underline on the right hand side of the page. This suggests that Richard is the narrative link between the chapters of this instalment. It's therefore possible that Dickens felt strongly about this link and didn't feel the need to muse over other potential options.